2nd generation of Mp3 player! It supports MP3 and WMA. It can act as a USB flash drive via the USB 2.0 port and it's extremely compact in size and light in weight. With dimension only 1.62 x 1.07 x 0.41 inches and weight as 0.55 ounce. Features: Support MP3 and WMA music formats Can act as a flash drive Ultra Slim and Compact Design Flash memory capacity: 2GB Built-in Li-ion battery Packages: Super Compact Mp3 player Earphone Intelligent Charger USB Cable Manual